TY  - BOOK
AU  - Keates,J.S.
TI  - Understanding maps
SN  - 9780470272718
U1  - 910.014 
PY  - 1982///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Maps
KW  - Visual perception
KW  - Cartes geographiques
N1  - "A Halsted Press book."
ER  -